下列不属于网络安全的技术是:()
A.防火墙
B.加密狗
C.认证
D.防病毒
参考答案:B
胞质中含密集的嗜苯胺蓝颗粒,并有短而粗的Auer小体,数条或数十条呈束状交叉排列,符合此特点的白血病是()
A.M2a
B.M2b
C.M3
D.M4
E.M5
翻译句子.
1. How many countries will be participating in the Olympic Games?
2. He has been an active participant in the discussion.